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KT7 Integrated Surface DTH Drilling Rig

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“Kaishan” KT7 integrated surface DTH drilling rig is advanced drilling equipment integrating down-the-hole drilling system and screw air compressor system. It is of compact structure, well integrated and easy to move and its two systems are powered by a diesel engine with six cylinders.

Its high air pressure screw compressor head with core intellectual product and single stage compression adopts internationally advanced Tangshi Y-line to produce high flow (13m3/min) and high air pressure (1.7MPa), thus it provides strong power for high pressure pneumatic hammer and its drilling speed is 20%-50% higher than that of medium wind pressure drilling rig.

Technical Parameters of KT7 Integrated Surface DTH Drilling Rig

Rock rigidity	f=6-20	Rotary torque (N*m)	1900
Drilling diameter(mm)	90-105	Max. feed force (N)	25000
Economic drilling depth	30	Guide lifting angle	Up28° down42°
Travel speed (Km/h)	0-2.5	Guide tilt	129°
Climbing capacity	30°	Guide swing	Right38° left35°
Ground clearance(mm)	380	Lateral horizontal guide swing	Right4° ~89°
Total Power (kW)	180	Boom swing	Right39° left60°
Diesel	YuchaiYC6A	Frame balance angle	Up10° down9°
Capacity of screw compressor (m³/min)	13	Feed length at a time(mm)	3000
Discharge pressure of screw compressor (Mpa)	1.7	Compensation length(mm)	900
Dimensions (long×width×high)(mm)	8000×2300×2800	Hammer	HD35A(HD45S)
Weight(Kg)	9500	Drill rod	Φ64×3000mm
Rotary speed (r/min)	0-120	Dust catching method	Hydraulic cyclones layer streaming